ShoreTel IP Phone 230G Black 5 line x 24 character display (120x35 pixels) 3 lines 8 fixed feature keys - transfer, conference, hold, intercom, redial (history), voicemail, options, directory Audio controls - volume, mute, speakerphone, headset Power via 802.3af PoE (Class 2 PoE) or local PoE injector (sold separately)